| Contaminated, for example, fluid that leaked from caliper, wheel cylinder, or axle seal |
A |
Require replacement |
| Identify and repair cause of contamination prior to replacing friction material. |
|
|
| Cracked through |
B |
Require replacement |
| Flaking or chunking |
B |
Require replacement |
| Glazed (shiny) |
|
No service suggested or required |
| Grooves or ridges |
|
No service suggested or required |
| When reconditioning or replacing drums or rotors, replacement of friction material may be suggested depending on the severity of the grooves or ridges. |
|
|
| Permanently attached hardware bent |
A |
Require replacement |
| Permanently attached hardware broken |
A |
Require replacement |
| Permanently attached hardware loose |
A |
Require replacement |
| Permanently attached hardware missing |
C |
Require replacement |
| Permanently attached hardware seized |
A |
Require repair or replacement |
| Rivets loose |
B |
Require replacement |
| Separating rom backing |
B |
Require replacement |
| Shoe table or web bent |
B |
Require replacement |
| Shoe table or web cracked |
A |
Require replacement |
| Shoe table or web worn, affecting performance |
A |
Require replacement |
| Surface cracking |
|
No service suggested or required. Further inspection may be necessary to determine cause |
| Tapered wear |
B |
Suggest replacement |
| Some vehicles use pads that are tapered by design. Refer to specific vehicle application. If not normal, require replacement of pads and correction of cause. |
|
|
| Worn close to minimum specifications |
1 |
Suggest replacement |
| When the part appears to be close to the end of its useful life, replacement may be suggested. |
|
|
| Worn to, or below minimum specifications |
B |
Require replacement |
